DDA-1112 Digital Audio Distribution Amplifier
Guide to Installation and Operation
Example:
SELECT button pushed twice when there is no signal
connected to Input 2 on the rear panel and the LED is steady
red:
Use the local control panel to access the detailed status report
shown in the STATUS menu below.
Operating Parameter Adjustment
The DDA-1112 has operating parameters which may be adjusted
at the controller card interface. After pressing the SELECT
button on the DDA-1112 card, use the keys on the local control
panel (described in the Controller card manual) to step through
the displayed menu and adjust the parameters. The menus are
shown below.
STATUS
SIGNAL THRESHOLD
CONFIGURE ALARM
[-72, -66,
-60
, -54, -48]
( dBFS )
NO LOCK
BIPHASE CODING
PARITY
CRCC ERROR
CONFIDENCE
INVALID
NON AUDIO
NO SIGNAL 1
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
ALARM LEVEL
ALARM REPORT
[GREEN, YELLOW,
RED
, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN, YELLOW,
RED
, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN, YELLOW,
RED
, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN,
YELLOW
, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[
GREEN
, YELLOW, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN,
YELLOW
, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN,
YELLOW
, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[GREEN,
YELLOW
, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
[REAR PANEL ERROR, NO LOCK, BIPHASE CODING, PARITY, CRCC, SLIPPED, CONFIDENCE,
UNVALID,NON AUDIO, NO SIGNAL 1, NO SIGNAL 2, NO SIGNAL 1&2, ALL OK ]
DDA-1112
NO SIGNAL 2
ALARM LEVEL
ALARM REPORT
[GREEN,
YELLOW
, RED, FLASH RED]
( NO UNIT )
[
NONE
, GPI]
RESTORE
FACTORY DEFAULT
FIRMWARE VERSION
[ UC = Vxxx, CPLD = Vx]
CABLE CORRECTION
AUTO
[START, PROCESS, SUCCESS, FAIL]
MANUAL
(AES STATUS)
[MANUAL OFF,
0
, 2500]
( m )
SIGNAL DELAY
[0,…,
15
, …,255]
( s )
D D A - 1 1 1 2
A L
2
N O
S I G N
DDA-1112
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